Is that for astronomy or astrophotography? There will be a difference in effect for the two disciplines.
I'm not being argumentative, just curious about a subject that I find quite interesting. mike > > From: Mishka <[EMAIL PROTECTED]> > Date: 2004/11/09 Tue PM 12:17:07 GMT > To: [EMAIL PROTECTED] > Subject: Re: star trails refresher > > Beach near Orleans, MA (still very much *on shore*) is shown to have > limiting magnitude 6.3 (-69.96399, 41.88289) > Orleans, MA 5.7 > > Boston 2.6 > NYC 2.4 > > middle of the Atlantic ocean 6.8 > > Quite a difference, what do you think? > > And, believe me, the skies there (cape cod shore) are quite dark > indeed. Especially > off-season :) > > Best, > Mishka > > On Mon, 08 Nov 2004 22:28:08 -0500, Peter J. Alling > <[EMAIL PROTECTED]> wrote: > > I'd check the results for Cape Cod before making any claims, Putting > > "home" halfway between Provincetown and Northeastham the darksky results > > are on an arc about 40 miles off shore towards the middle of the North > > Atlantic... > > > > > > > > Mishka wrote: > > > > >amita said she's going to cape cod. that's more than 20 miles "offshore" > > >and > > >the skies there, although not quite like in AZ, are pretty dark. > > > > > >best, > > >mishka > > > > > > > > >On Mon, 08 Nov 2004 10:34:18 -0500, Peter J. Alling > > ><[EMAIL PROTECTED]> wrote: > > > > > > > > >>Interesting but not very useful if you live in a light polluted place > > >>like the NE US. Every dark spot suggested is > > >>20 miles offshore... (I didn't even look at where it put Amita from her > > >>location in New York, but I doubt she'd > > >>want to tread water at this time of yea)r. Still playing with it was fun. > > >> > > >> > > >> > > >>Tim Sherburne wrote: > > >> > > >> > > >> > > >>>On 11/8/04 0:59, [EMAIL PROTECTED] wrote: > > >>> > > >>> > > >>> > > >>> > > >>> > > >>>>I'm no expert on this but I think you may find that, virtually anywhere > > >>>>in the > > >>>>NE USA, light pollution will inhibit decent results. > > >>>> > > >>>> > > >>>> > > >>>> > > >>>This might help in anyone's quest for dark sky: > > >>> > > >>><http://www.darksky.org/ida/darksky/> > > >>> > > >>>[Mike offers more good advice, then...] > > >>> > > >>> > > >>> > > >>> > > >>> > > >>>>You can hear birds singing at 4.00am in the winter, here. > > >>>> > > >>>> > > >>>> > > >>>> > > >>>Mike, I can't speak for your area, but I think some species of songbirds > > >>>birds have a habit of rising early in general. There's something called > > >>>the > > >>>"dawn chorus" that gets going in the early morning hours in some parts of > > >>>the world. > > >>> > > >>>t > > >>> > > >>> > > >>> > > >>> > > >>> > > >>> > > >>-- > > >>I can understand why mankind hasn't given up war. > > >>During a war you get to drive tanks through the sides of buildings > > >>and shoot foreigners - two things that are usually frowned on during > > >>peacetime. > > >> --P.J. O'Rourke > > >> > > >> > > >> > > >> > > > > > > > > > > > > > > > > > > -- > > > > > > I can understand why mankind hasn't given up war. > > During a war you get to drive tanks through the sides of buildings > > and shoot foreigners - two things that are usually frowned on during > > peacetime. > > --P.J. O'Rourke > > > > > > ----------------------------------------- Email provided by http://www.ntlhome.com/
